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## sortlinkedlist
### Instructions
You are given a linked list, where each node contains a single digit.
Write a function that sorts the list in descending order and return pointer/reference to new linked list
### Expected function and struct
```go
package main
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type NodeAddL struct {
Next *NodeAddL
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Num int
}
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func Sortll(node *NodeAddL) *NodeAddL {
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}
```
### Usage
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Here is a possible program to test your function:
```go
package main
import "fmt"
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// I implemented pushBack for this
func main() {
num1 := &NodeAddL{Num: 5}
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num1 = pushBack(num1, 1)
num1 = pushBack(num1, 3)
num1 = pushBack(num1, 1)
num1 = pushBack(num1, 3)
result := Sortll(num1)
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for tmp := result; tmp != nil; tmp = tmp.Next {
fmt.Print(tmp.Num)
if tmp.Next != nil {
fmt.Print(" -> ")
}
}
fmt.Println()
}
```
Its output:
```console
$ go run .
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5 -> 3 -> 3 -> 1 -> 1
$
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```